Use the digits from 1 up to 9 and make 100.

Follow the rules.
=> Each digit should be used only once.
=> You can only use addition.
=> For making a number, two single digits can be combined (for example, 4 and 2 can be combined to form 42 or 24)
=> A fraction can also be made by combining the two single digits (for example, 4 and 2 can be combined to form 4/2 or 2/4)

Question: how can we do this?

What goes through cities and fields, but never moves?

There is a box full of marbles,
all but two are blue,
all but two are green,
and all but two are red.

How many marbles are in the box?

Find the value of "?" in the ball picture Riddle below:

What has no start, end, or centre?

There are nine letters in the below-given diagram. You have to form a nine-letter word using these letters.

What has a bottom at the top?

Below, you can see some coding:
January = 1017
February = 628
March = 1335
April = 145
May = 1353
June = 1064
July = 1074
August = 186

Now deciphering the way it has been coded, can you find out how September will be coded?

Can you think of any three-dimensional shape that comprises of exactly two surfaces?

This puzzle is for Harry Potter fans. Do you know why Tom Riddle is called Lord Voldemort?